diff --git a/api-generator/components/menubar.js b/api-generator/components/menubar.js
index a1cc25bfd..885730a1f 100644
--- a/api-generator/components/menubar.js
+++ b/api-generator/components/menubar.js
@@ -10,6 +10,12 @@ const MenubarProps = [
         type: 'boolean',
         default: 'true',
         description: "Whether to apply 'router-link-active-exact' class if route exactly matches the item path."
+    },
+    {
+        name: 'pt',
+        type: 'any',
+        default: 'null',
+        description: 'Uses to pass attributes to DOM elements inside the component.'
     }
 ];
 
diff --git a/components/lib/menubar/Menubar.d.ts b/components/lib/menubar/Menubar.d.ts
index bd1e688c3..e8377cce6 100755
--- a/components/lib/menubar/Menubar.d.ts
+++ b/components/lib/menubar/Menubar.d.ts
@@ -11,6 +11,130 @@ import { ButtonHTMLAttributes, VNode } from 'vue';
 import { MenuItem } from '../menuitem';
 import { ClassComponent, GlobalComponentConstructor } from '../ts-helpers';
 
+export declare type MenubarPassThroughOptionType = MenubarPassThroughAttributes | ((options: MenubarPassThroughMethodOptions) => MenubarPassThroughAttributes) | null | undefined;
+
+/**
+ * Custom passthrough(pt) option method.
+ */
+export interface MenubarPassThroughMethodOptions {
+    props: MenubarProps;
+    state: MenubarState;
+}
+
+/**
+ * Custom passthrough(pt) options.
+ * @see {@link MenubarProps.pt}
+ */
+export interface MenubarPassThroughOptions {
+    /**
+     * Uses to pass attributes to the root's DOM element.
+     */
+    root?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the list's DOM element.
+     */
+    menu?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the list item's DOM element.
+     */
+    menuitem?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the content's DOM element.
+     */
+    content?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the action's DOM element.
+     */
+    action?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the icon's DOM element.
+     */
+    icon?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the label's DOM element.
+     */
+    label?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the submenu icon's DOM element.
+     */
+    submenuicon?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the separator's DOM element.
+     */
+    separator?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the mobile popup menu button's DOM element.
+     */
+    button?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the mobile popup menu button icon's DOM element.
+     */
+    popupIcon?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the start of the component.
+     */
+    start?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the end of the component.
+     */
+    end?: MenubarPassThroughOptionType;
+}
+
+/**
+ * Custom passthrough attributes for each DOM elements
+ */
+export interface MenubarPassThroughAttributes {
+    [key: string]: any;
+}
+
+/**
+ * Defines focused item info
+ */
+export interface MenubarFocusedItemInfo {
+    /**
+     * Active item index
+     */
+    index: number;
+    /**
+     * Active item level
+     */
+    level: number;
+    /**
+     * Parent key info
+     */
+    parentKey: string;
+}
+
+/**
+ * Defines current inline state in Menubar component.
+ */
+export interface MenubarState {
+    /**
+     * Current id state as a string.
+     */
+    id: string;
+    /**
+     * Current mobile menu active state as a boolean.
+     * @defaultValue false
+     */
+    mobileActive: boolean;
+    /**
+     * Current focus state as a boolean.
+     * @defaultValue false
+     */
+    focused: boolean;
+    /**
+     * Current focused item info.
+     * @type {MenubarFocusedItemInfo}
+     */
+    focusedItemInfo: MenubarFocusedItemInfo;
+    /**
+     * Active item path.
+     * @type {MenubarFocusedItemInfo}
+     */
+    activeItemPath: MenubarFocusedItemInfo[];
+}
+
 /**
  * Defines valid properties in Menubar component.
  */
@@ -36,6 +160,11 @@ export interface MenubarProps {
      * Identifier of the underlying input element.
      */
     'aria-labelledby'?: string | undefined;
+    /**
+     * Uses to pass attributes to DOM elements inside the component.
+     * @type {MenubarPassThroughOptions}
+     */
+    pt?: MenubarPassThroughOptions;
 }
 
 /**
diff --git a/components/lib/menubar/Menubar.vue b/components/lib/menubar/Menubar.vue
index e3507774d..7f8193129 100755
--- a/components/lib/menubar/Menubar.vue
+++ b/components/lib/menubar/Menubar.vue
@@ -1,6 +1,6 @@
 <template>
-    <div :ref="containerRef" :class="containerClass">
-        <div v-if="$slots.start" class="p-menubar-start">
+    <div :ref="containerRef" :class="containerClass" v-bind="ptm('root')">
+        <div v-if="$slots.start" class="p-menubar-start" v-bind="ptm('start')">
             <slot name="start"></slot>
         </div>
         <a
@@ -15,10 +15,10 @@
             :aria-label="$primevue.config.locale.aria.navigation"
             @click="menuButtonClick($event)"
             @keydown="menuButtonKeydown($event)"
-            v-bind="buttonProps"
+            v-bind="{ ...buttonProps, ...ptm('button') }"
         >
             <slot name="popupicon">
-                <BarsIcon />
+                <BarsIcon v-bind="ptm('popupIcon')" />
             </slot>
         </a>
         <MenubarSub
@@ -39,25 +39,28 @@
             :level="0"
             :aria-labelledby="ariaLabelledby"
             :aria-label="ariaLabel"
+            :pt="pt"
             @focus="onFocus"
             @blur="onBlur"
             @keydown="onKeyDown"
             @item-click="onItemClick"
             @item-mouseenter="onItemMouseEnter"
         />
-        <div v-if="$slots.end" class="p-menubar-end">
+        <div v-if="$slots.end" class="p-menubar-end" v-bind="ptm('end')">
             <slot name="end"></slot>
         </div>
     </div>
 </template>
 
 <script>
+import BaseComponent from 'primevue/basecomponent';
 import BarsIcon from 'primevue/icons/bars';
 import { DomHandler, ObjectUtils, UniqueComponentId, ZIndexUtils } from 'primevue/utils';
 import MenubarSub from './MenubarSub.vue';
 
 export default {
     name: 'Menubar',
+    extends: BaseComponent,
     emits: ['focus', 'blur'],
     props: {
         model: {
diff --git a/components/lib/menubar/MenubarSub.vue b/components/lib/menubar/MenubarSub.vue
index cdee7fb42..f8d64ec02 100755
--- a/components/lib/menubar/MenubarSub.vue
+++ b/components/lib/menubar/MenubarSub.vue
@@ -1,5 +1,5 @@
 <template>
-    <ul>
+    <ul v-bind="ptm('menu')">
         <template v-for="(processedItem, index) of items" :key="getItemKey(processedItem)">
             <li
                 v-if="isItemVisible(processedItem) && !getItemProp(processedItem, 'separator')"
@@ -14,23 +14,24 @@
                 :aria-level="level + 1"
                 :aria-setsize="getAriaSetSize()"
                 :aria-posinset="getAriaPosInset(index)"
+                v-bind="ptm('menuitem')"
             >
-                <div class="p-menuitem-content" @click="onItemClick($event, processedItem)" @mouseenter="onItemMouseEnter($event, processedItem)">
+                <div class="p-menuitem-content" @click="onItemClick($event, processedItem)" @mouseenter="onItemMouseEnter($event, processedItem)" v-bind="ptm('content')">
                     <template v-if="!templates.item">
                         <router-link v-if="getItemProp(processedItem, 'to') && !isItemDisabled(processedItem)" v-slot="{ navigate, href, isActive, isExactActive }" :to="getItemProp(processedItem, 'to')" custom>
-                            <a v-ripple :href="href" :class="getItemActionClass(processedItem, { isActive, isExactActive })" tabindex="-1" aria-hidden="true" @click="onItemActionClick($event, navigate)">
+                            <a v-ripple :href="href" :class="getItemActionClass(processedItem, { isActive, isExactActive })" tabindex="-1" aria-hidden="true" @click="onItemActionClick($event, navigate)" v-bind="ptm('action')">
                                 <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="getItemIconClass(processedItem)" />
-                                <span v-else-if="getItemProp(processedItem, 'icon')" :class="getItemIconClass(processedItem)" />
-                                <span class="p-menuitem-text">{{ getItemLabel(processedItem) }}</span>
+                                <span v-else-if="getItemProp(processedItem, 'icon')" :class="getItemIconClass(processedItem)" v-bind="ptm('icon')" />
+                                <span class="p-menuitem-text" v-bind="ptm('label')">{{ getItemLabel(processedItem) }}</span>
                             </a>
                         </router-link>
-                        <a v-else v-ripple :href="getItemProp(processedItem, 'url')" :class="getItemActionClass(processedItem)" :target="getItemProp(processedItem, 'target')" tabindex="-1" aria-hidden="true">
+                        <a v-else v-ripple :href="getItemProp(processedItem, 'url')" :class="getItemActionClass(processedItem)" :target="getItemProp(processedItem, 'target')" tabindex="-1" aria-hidden="true" v-bind="ptm('action')">
                             <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="getItemIconClass(processedItem)" />
-                            <span v-else-if="getItemProp(processedItem, 'icon')" :class="getItemIconClass(processedItem)" />
-                            <span class="p-menuitem-text">{{ getItemLabel(processedItem) }}</span>
+                            <span v-else-if="getItemProp(processedItem, 'icon')" :class="getItemIconClass(processedItem)" v-bind="ptm('icon')" />
+                            <span class="p-menuitem-text" v-bind="ptm('label')">{{ getItemLabel(processedItem) }}</span>
                             <template v-if="getItemProp(processedItem, 'items')">
                                 <component v-if="templates.submenuicon" :is="templates.submenuicon" :root="root" :active="isItemActive(processedItem)" class="p-submenu-icon" />
-                                <component v-else :is="root ? 'AngleDownIcon' : 'AngleRightIcon'" class="p-submenu-icon" />
+                                <component v-else :is="root ? 'AngleDownIcon' : 'AngleRightIcon'" class="p-submenu-icon" v-bind="ptm('submenuIcon')" />
                             </template>
                         </a>
                     </template>
@@ -48,16 +49,25 @@
                     :templates="templates"
                     :exact="exact"
                     :level="level + 1"
+                    :pt="pt"
                     @item-click="$emit('item-click', $event)"
                     @item-mouseenter="$emit('item-mouseenter', $event)"
                 />
             </li>
-            <li v-if="isItemVisible(processedItem) && getItemProp(processedItem, 'separator')" :id="getItemId(processedItem)" :style="getItemProp(processedItem, 'style')" :class="getSeparatorItemClass(processedItem)" role="separator"></li>
+            <li
+                v-if="isItemVisible(processedItem) && getItemProp(processedItem, 'separator')"
+                :id="getItemId(processedItem)"
+                :style="getItemProp(processedItem, 'style')"
+                :class="getSeparatorItemClass(processedItem)"
+                role="separator"
+                v-bind="ptm('separator')"
+            ></li>
         </template>
     </ul>
 </template>
 
 <script>
+import BaseComponent from 'primevue/basecomponent';
 import AngleDownIcon from 'primevue/icons/angledown';
 import AngleRightIcon from 'primevue/icons/angleright';
 import Ripple from 'primevue/ripple';
@@ -65,6 +75,7 @@ import { ObjectUtils } from 'primevue/utils';
 
 export default {
     name: 'MenubarSub',
+    extends: BaseComponent,
     emits: ['item-mouseenter', 'item-click'],
     props: {
         items: {